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Soft tissue
Fibroblastic / myofibroblastic tumors
Solitary fibrous tumor (extrapleural)

Reviewer: Ashley Gullett, M.D. (see Reviewers page)
Editor: Jerad M. Gardner, M.D.
Revised: 21 June 2013, last major update June 2013
Copyright: (c) 2002-2013, PathologyOutlines.com, Inc.

Definition
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Clinical features
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Prognostic factors
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Case reports
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Treatment
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Gross description
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Gross images
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Well circumscribed tan-white tumor with focal necrosis
Tumor of omentum
Micro description
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Micro images
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AFIP images:
Figure 1
Figure 2
Figure 3
Fig 1: moderately cellular fibroblastic appearance
Fig 2: parallel arrays of collagen are separated by fibroblastic nuclei
Fig 3: cellular variant has cells with scant cytoplasm and uniform spindled nuclei, note the thin bands of intercellular collagen


Other images:
Patternless pattern and collagenous stroma
Patternless and myxoid patterns with hemangio-pericytoma-like vessels
Fibroblastic cells in fibrous, partly hyalinized matrix with hemangio-pericytoma-like blood vessels

Thigh images:
Epithelioid nodules near fusocellular / spindled areas
Epithelioid and fusocellular areas
With eosinophilic cytoplasm and scarce mitoses
CD34 and BCL2

Case of the week #29 (dermis images):
Virtual slides
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Malignant solitary fibrous tumor
Positive stains
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Negative stains
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Electron microscopy description
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Molecular / cytogenetics description
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Differential diagnosis
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Additional references
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End of Soft tissue > Fibroblastic / myofibroblastic tumors > Solitary fibrous tumor (extrapleural)


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